ruby随机在控制台显示字符串

require 'curses'

module curses

def self.program

main_scr=init_screen

noecho

cbreak

curs_set(0)

main_scr.keypad=true

yield main_scr

end

curses.program do |scr|

max_x=scr.maxx

max_y=scr.maxy

100.times do

scr.setpos(rand(max_y),rand(max_x))

scr.addstr("hi")

scr.getch